import store from '@/store'
import config from '@/config'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { toast, showConfirm, tansParams } from '@/utils/common'
import { mockData, mockResponse, mockDelay } from '@/utils/mockData'

let timeout = 10000
const baseUrl = config.baseUrl

// 检查是否使用模拟数据
const shouldUseMockData = () => {
  // #ifdef MP-WEIXIN
  return config.mpWeixin?.useMockData || false
  // #endif
  // #ifndef MP-WEIXIN
  return config.development?.useMockData || false
  // #endif
}

const request = config => {
  // 检查是否是登录相关API
  const isLoginApi = config.url.includes('/auth/login') || config.url.includes('/auth/phoneLogin') || config.url.includes('/auth/sendSms') || config.url.includes('/auth/logout') || config.url.includes('/login') || config.url.includes('/logout')
  
  // 如果使用模拟数据且不是登录API，直接返回模拟响应
  if (shouldUseMockData() && !isLoginApi) {
    return new Promise(async (resolve) => {
      await mockDelay(300) // 模拟网络延迟
      
      // 根据不同的API路径返回不同的模拟数据
      const url = config.url
      console.log('模拟数据请求URL：', url);
      
      let mockResult = null
      
      if (url.includes('/product/products/productAppList')) {
        // 商品列表
        console.log('返回商品列表模拟数据');
        mockResult = mockResponse({
          rows: mockData.goodsList,
          total: mockData.goodsList.length
        })
      } else if (url.includes('/product/categories/getParentTypeList')) {
        // 商品分类
        console.log('返回分类列表模拟数据');
        mockResult = mockResponse(mockData.categories)
      } else if (url.includes('/cart/list')) {
        // 购物车列表
        console.log('返回购物车模拟数据');
        mockResult = mockResponse(mockData.cartList)
      } else if (url.includes('/user/profile')) {
        // 用户信息
        console.log('返回用户信息模拟数据');
        mockResult = mockResponse(mockData.userInfo)
      } else if (url.includes('/seckill/list')) {
        // 秒杀活动列表
        console.log('返回秒杀活动列表模拟数据');
        mockResult = mockResponse({
          rows: mockData.seckillList,
          total: mockData.seckillList.length
        })
      } else if (url.includes('/seckill/detail/')) {
        // 秒杀活动详情
        console.log('返回秒杀活动详情模拟数据');
        mockResult = mockResponse(mockData.seckillDetail)
      } else if (url.includes('/seckill/products/')) {
        // 秒杀商品列表
        console.log('返回秒杀商品列表模拟数据');
        mockResult = mockResponse(mockData.seckillDetail.products)
      } else {
        // 默认成功响应
        console.log('返回默认模拟数据');
        mockResult = mockResponse({})
      }
      
      console.log('模拟数据结果：', mockResult);
      resolve(mockResult)
    })
  }
  
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  config.header = config.header || {}
  if (getToken() && !isToken) {
    config.header['Authorization'] = 'Bearer ' + getToken()
  }
  // get请求映射params参数
  if (config.params) {
    let url = config.url + '?' + tansParams(config.params)
    url = url.slice(0, -1)
    config.url = url
  }
  return new Promise((resolve, reject) => {
    uni.request({
        method: config.method || 'get',
        timeout: config.timeout ||  timeout,
        url: config.baseUrl || baseUrl + config.url,
        data: config.data,
        header: config.header,
        dataType: 'json'
      }).then(response => {
        let [error, res] = response
        if (error) {
          toast('后端接口连接异常')
          reject('后端接口连接异常')
          return
        }
        const code = res.data.code || 200
        const msg = errorCode[code] || res.data.msg || errorCode['default']
        if (code === 401) {
          showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then(res => {
            if (res.confirm) {
              store.dispatch('LogOut').then(res => {
                uni.reLaunch({ url: '/pages/login' })
              })
            }
          })
          reject('无效的会话，或者会话已过期，请重新登录。')
        } else if (code === 500) {
          toast(msg)
          reject('500')
        } else if (code !== 200) {
          toast(msg)
          reject(code)
        }
        resolve(res.data)
      })
      .catch(error => {
        let { message } = error
        if (message === 'Network Error') {
          message = '后端接口连接异常'
        } else if (message.includes('timeout')) {
          message = '系统接口请求超时'
        } else if (message.includes('Request failed with status code')) {
          message = '系统接口' + message.substr(message.length - 3) + '异常'
        }
        toast(message)
        reject(error)
      })
  })
}

export default request
